package com.copa.l2;

/**
 * @author copa
 * @createDate 2022-04-26 21:24
 * @function
 */
public class ListNode {
  int val;
  ListNode next;
  ListNode() {}
  ListNode(int val) { this.val = val; }
  ListNode(int val, ListNode next) { this.val = val; this.next = next; }
}
